v3.25.2
Fair Value Measurements - Summary of Significant Unobservable Inputs Used to Value the Company's Level 3 Assets (Detail)
$ in Thousands
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure $ 1,008,284 $ 679,064
First Lien Senior Secured [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure   665,741
First Lien Senior Secured Debt [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure 959,980  
First Lien Last Out Unitranche Debt [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure 20,342  
Common Equity [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure 372 400
Fair Value, Inputs, Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure 980,694 666,141
Fair Value, Inputs, Level 3 [Member] | First Lien Senior Secured [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure   665,741
Fair Value, Inputs, Level 3 [Member] | First Lien Senior Secured [Member] | Income Approach [Member] | Discount Rate [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure   $ 665,741
Fair Value, Inputs, Level 3 [Member] | First Lien Senior Secured [Member] | Income Approach [Member] | Discount Rate [Member] | Minimum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment Company, Investment Owned, Measurement Input   9.11
Fair Value, Inputs, Level 3 [Member] | First Lien Senior Secured [Member] | Income Approach [Member] | Discount Rate [Member] | Maximum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment Company, Investment Owned, Measurement Input   12.92
Fair Value, Inputs, Level 3 [Member] | First Lien Senior Secured [Member] | Income Approach [Member] | Discount Rate [Member] | Weighted Average [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment Company, Investment Owned, Measurement Input [1]   10.67
Fair Value, Inputs, Level 3 [Member] | First Lien Senior Secured Debt [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure 959,980  
Fair Value, Inputs, Level 3 [Member] | First Lien Senior Secured Debt [Member] | Income Approach [Member] | Discount Rate [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure $ 959,980  
Fair Value, Inputs, Level 3 [Member] | First Lien Senior Secured Debt [Member] | Income Approach [Member] | Discount Rate [Member] | Minimum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment Company, Investment Owned, Measurement Input 5.89  
Fair Value, Inputs, Level 3 [Member] | First Lien Senior Secured Debt [Member] | Income Approach [Member] | Discount Rate [Member] | Maximum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment Company, Investment Owned, Measurement Input 19.2  
Fair Value, Inputs, Level 3 [Member] | First Lien Senior Secured Debt [Member] | Income Approach [Member] | Discount Rate [Member] | Weighted Average [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investment Company, Investment Owned, Measurement Input [1] 10.47  
Fair Value, Inputs, Level 3 [Member] | First Lien Last Out Unitranche Debt [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure $ 20,342  
Fair Value, Inputs, Level 3 [Member] | First Lien Last Out Unitranche Debt [Member] | Income Approach [Member] | Discount Rate [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure $ 20,342  
Investment Company, Investment Owned, Measurement Input 11.39  
Fair Value, Inputs, Level 3 [Member] | Common Equity [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure $ 372 $ 400
Fair Value, Inputs, Level 3 [Member] | Common Equity [Member] | Transactional Value [Member] | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure $ 372  
Investment Company, Investment Owned, Measurement Input 14.3  
Fair Value, Inputs, Level 3 [Member] | Common Equity [Member] | Transactional Value [Member] | Transaction Price [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure   $ 400
[1] Weighted average is calculated by weighing the significant unobservable input by the relative fair value of each investment in the category.